Index: head/sys/x86/isa/orm.c
===================================================================
--- head/sys/x86/isa/orm.c
+++ head/sys/x86/isa/orm.c
@@ -91,6 +91,9 @@
 	struct orm_softc	*sc;
 	u_int8_t		buf[3];
 
+	if (resource_disabled("orm", 0))
+		return;
+
 	child = BUS_ADD_CHILD(parent, ISA_ORDER_SENSITIVE, "orm", -1);
 	device_set_driver(child, driver);
 	isa_set_logicalid(child, ORM_ID);